These two factors have brought polymer-supported chem. to center stage, so to speak, and the early principles laid down over 2 decades ago are now being developed and exploited at an amazing rate.

这两个因素已将聚合物载体的活性化学推到所谓的中央舞台，而二十年前所提出的早期原则，如今却神速地正被开发和利用。

youdao

Then, she watched as they streamed down his face on center stage before 4, 000 troops.

CENTERFORSECURITYPOLICY: What are we fighting for?

Indeed, his own angry rhetoric seemed to quickly divide the people on either side of the political spectrum, but he didn't back down at a press conference the following day where he again took center stage.

WSJ: Arizona Elicits Sheriff's Criticism